Question

A semiconductor manufacturer seeks to maximize its profits. Testing indicates that they can produce 100,000 chips per week at a cost of $40 per chip, and sell them for $65 per chip. They also find that they can produce 125,000 chips per week at a cost of $35 per chip, and sell them for $63 per chip. HOW MUCH PROFIT can they expect to earn if they produce 130,000 chips per week?

Answer 1

I can do equations OK, just need help writing the initial equation. THANKS!